Search a number
-
+
55220354 = 2723797157
BaseRepresentation
bin1101001010100…
…1100010000010
310211220111002022
43102221202002
5103114022404
65251321442
71240236200
oct322514202
9124814068
1055220354
1129196962
12165b0282
13b595587
147496070
154cab8be
hex34a9882

55220354 has 48 divisors (see below), whose sum is σ = 100615032. Its totient is φ = 22643712.

The previous prime is 55220353. The next prime is 55220357. The reversal of 55220354 is 45302255.

It can be written as a sum of positive squares in 4 ways, for example, as 50481025 + 4739329 = 7105^2 + 2177^2 .

It is not an unprimeable number, because it can be changed into a prime (55220353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351644 + ... + 351800.

Almost surely, 255220354 is an apocalyptic number.

55220354 is a deficient number, since it is larger than the sum of its proper divisors (45394678).

55220354 is a wasteful number, since it uses less digits than its factorization.

55220354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55220354 is about 7431.0399003101. The cubic root of 55220354 is about 380.8024455581.

The spelling of 55220354 in words is "fifty-five million, two hundred twenty thousand, three hundred fifty-four".

Divisors: 1 2 7 14 37 49 74 97 98 157 194 259 314 518 679 1099 1358 1813 2198 3589 3626 4753 5809 7178 7693 9506 11618 15229 15386 25123 30458 40663 50246 81326 106603 175861 213206 284641 351722 563473 569282 746221 1126946 1492442 3944311 7888622 27610177 55220354