1355400550 has 96 divisors (see below), whose sum is σ = 3054179520. Its totient is φ = 437606400.

The previous prime is 1355400547. The next prime is 1355400589. The reversal of 1355400550 is 550045531.

It is a super-2 number, since 2×1355400550² = 3674221301880605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414522 + ... + 417778.

It is an arithmetic number, because the mean of its divisors is an integer number (31814370).

Almost surely, 2^1355400550 is an apocalyptic number.

1355400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355400550 is an abundant number, since it is smaller than the sum of its proper divisors (1698778970).

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

1355400550 is a wasteful number, since it uses less digits than its factorization.

1355400550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 1355400550 is about 36815.7649655688. The cubic root of 1355400550 is about 1106.6812514207.

The spelling of 1355400550 in words is "one billion, three hundred fifty-five million, four hundred thousand, five hundred fifty".