91551034 has 8 divisors (see below), whose sum is σ = 139917780. Its totient is φ = 44911776.

The previous prime is 91551023. The next prime is 91551037. The reversal of 91551034 is 43015519.

It can be written as a sum of positive squares in 2 ways, for example, as 91298025 + 253009 = 9555^2 + 503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 91550993 and 91551011.

It is not an unprimeable number, because it can be changed into a prime (91551037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431739 + ... + 431950.

Almost surely, 2^91551034 is an apocalyptic number.

91551034 is a deficient number, since it is larger than the sum of its proper divisors (48366746).

91551034 is a wasteful number, since it uses less digits than its factorization.

91551034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863744.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 91551034 is about 9568.2304529103. The cubic root of 91551034 is about 450.7002004573.

The spelling of 91551034 in words is "ninety-one million, five hundred fifty-one thousand, thirty-four".