55146702 has 64 divisors (see below), whose sum is σ = 126443520. Its totient is φ = 15894144.

The previous prime is 55146701. The next prime is 55146703. The reversal of 55146702 is 20764155.

It is an interprime number because it is at equal distance from previous prime (55146701) and next prime (55146703).

It is a self number, because there is not a number n which added to its sum of digits gives 55146702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188068 + ... + 188360.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^55146702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55146702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63221760).

55146702 is an abundant number, since it is smaller than the sum of its proper divisors (71296818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55146702 is a wasteful number, since it uses less digits than its factorization.

55146702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 55146702 is about 7426.0825473462. The cubic root of 55146702 is about 380.6330675515.

The spelling of 55146702 in words is "fifty-five million, one hundred forty-six thousand, seven hundred two".